# Shaving

Mathematical problem from Sunday evening.

If the beard is growing at 0.52 mm per day and that my length is 16.8 mm, how long I don't shave?

Result

t =  32.3 d

#### Solution:

$s = vt \ \\ t = s/v = 16.8 / 0.52 = 32.3 \ \text{ d }$

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